Home / 18,822.07-25,972.64-11,268.25

Finding the Fourth Proportional to 18,822.07, 25,972.64 and 11,268.25

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Solution

The fourth proportional to 18,822.07, 25,972.64 and 11,268.25 is: 15,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.07 : 25,972.64 = 11,268.25 : x
  2. Step 2: Convert to fraction form
    18,822.07/25,972.64 = 11,268.25/x
  3. Step 3: Cross multiply
    18,822.07x = 25,972.64 × 11,268.25
  4. Step 4: Simplify right side
    18,822.07x = 292,666,014.48
  5. Step 5: Solve for x
    x = 292,666,014.48/18,822.07
  6. Step 6: Final answer
    x = 15,549.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.